Mayvin is seeking a Senior OSINT Engineer to support the Judicial Security Division (JSD) of the United States Marshals Service (USMS) by building, testing, deploying, and maintaining full stack applications that support investigative and analytic workflows. The role involves developing front-end and back-end systems, integrating APIs and databases, and ensuring application performance, security, and reliability.

Must be a U.S. Citizen.

Must have an active Top Secret with SCI eligibility.

Responsibilities:

• Develop and implement investigative/analytic tool organizational processes, procedures, and policies for passive and interactive online activity
• Identify, develop, and establish processes and procedures for open source/social media exploitation investigative requirements
• Participate in the entire application lifecycle, including design, coding, testing, implementation, deployment, support, and maintenance
• Work front-end and back-end coding languages, development frameworks, and third-party libraries
• Identify Internet-managed Attribution Systems, which enable anonymous investigative activities online
• Identify occupational standards, skill sets, investigative tools, and capabilities for open source/social media exploitation

Qualifications

Required Qualifications:

• Bachelor’s degree in computer science
• Ability to develop and customize SharePoint Online solutions
• Experienced in back-end programming languages, including C#, Java, and Python
• Experienced in JavaScript frameworks and technologies, including Angular, React, and Node.js
• Experienced with relational and NoSQL databases (MySQL, MongoDB), web server technologies (Apache), and UI/UX design principles
• Experienced working with non-technical staff to help develop innovative technical solutions to ambiguous problems.
• Excellent communication, teamwork and organizational skills, and a high level of attention to detail.

Preferred Qualifications:

• Prior experience supporting Law Enforcement or intelligence communities

About Mavyin

Mayvin is more than a workplace - it’s a community built on innovation, ingenuity, and impact. Enjoy outstanding benefits and amenities, a truly supportive work environment, and continuous opportunities for professional growth. Your contributions are recognized and rewarded, and—most importantly—your voice matters. Here, you're treated with the dignity and respect you deserve.

Mayvin is proud to support the national security mission of the United States through exceptional service to the Departments of Defense, Homeland Security, and Justice. Join us in solving the nation's toughest challenges—because at Mayvin, #PeopleMatter and it's time to #ReimagineYourMission.